我想点击这个按钮时，让这个按钮四周有一片淡淡的波纹向外扩散，这个好做吗？像这样：
2 回答
三国纷争
TA贡献1804条经验 获得超7个赞
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<style>
.wave{
background: #FC7171;
color: white;
width: 200px;
height: 200px;
border-radius: 50%;
border:none;
outline: none;
position: relative;
}
.wave p{
position: absolute;
z-index: 7;
text-align: center;
display: block;
}
.animat::before,.animat::after{
content:"";
position:absolute;
background: #FA7C7C;
background-position:center center;
border-radius:50%;
}
.animat::before{
z-index:2;
animation:wave 2s ease-out infinite;
-webkit-animation:wave 2s ease-out infinite;
}
.animat::after{
z-index:3;
animation:wave 2s ease-out .2s infinite;
-webkit-animation:wave 2s ease-out .2s infinite;
}
@keyframes wave{
0%{
top: 50%;left: 50%;
transform: translate(-50%, -50%) scale(1.4);
width:30px;
height:30px;
opacity: 1;
}
50%{
top: 50%;left: 50%;
transform: translate(-50%, -50%) scale(1);
width:240px;
height:240px;
}
100%{
top: 50%;left: 50%;
transform: translate(-50%, -50%) scale(1);
width:240px;
height:240px;
opacity: 0;
}
}
</style>
</head>
<body>
<button class="wave"><p>点击计数</p></button>
<script>
var btn = document.getElementsByTagName("button")[0];
var timer;
btn.onclick = function(){
this.classList.add("animat");
if(timer){
clearInterval(timer);
}
timer = setTimeout(function(){
this.classList.remove("animat");
}.bind(this),2000);
}
</script>
</body>
</html>
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